/**
 * AI Hub 管理后台 - 基础样式
 */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  --bg: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border: #334155;
  --border-light: #475569;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --sidebar-width: 200px;
  --topbar-height: 64px;
  --transition: all 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* 表单 */
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* 卡片 */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

/* Toast */
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.toast.error {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.toast.warning {
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.1);
}

/* 隐藏 */
.hidden {
  display: none !important;
}

/* 工具类 */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }

.ml-1 { margin-left: 4px; }
.ml-2 { margin-left: 8px; }
.ml-3 { margin-left: 12px; }
.ml-4 { margin-left: 16px; }

.mr-1 { margin-right: 4px; }
.mr-2 { margin-right: 8px; }
.mr-3 { margin-right: 12px; }
.mr-4 { margin-right: 16px; }

.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateX(-10px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease;
}

.animate-slide-in {
  animation: slideIn 0.3s ease;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 14px;
}

/* ==================== 分类管理样式 ==================== */

/* 分类管理布局 */
.categories-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  height: calc(100vh - 140px);
}

.category-sidebar {
  overflow: hidden;
}

.category-sidebar .card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.category-sidebar .card-body {
  flex: 1;
  overflow-y: auto;
}

.category-main {
  overflow-y: auto;
}

/* 分类树 */
.category-tree {
  padding: 8px;
}

.category-tree-item {
  padding: 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 4px;
}

.category-tree-item:hover {
  background: var(--bg-tertiary);
}

.category-tree-item.active {
  background: var(--primary);
  color: white;
}

.category-tree-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-tree-icon {
  font-size: 18px;
}

.category-tree-name {
  flex: 1;
  font-weight: 500;
}

.category-tree-count {
  font-size: 12px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  color: var(--text-secondary);
}

.category-tree-item.active .category-tree-count {
  background: rgba(255,255,255,0.2);
  color: white;
}

.category-tree-children {
  margin-top: 8px;
  margin-left: 26px;
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

.category-tree-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* 分类详情 */
.category-info {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 16px;
}

.info-row {
  display: flex;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  width: 100px;
  color: var(--text-secondary);
  font-size: 14px;
}

.info-value {
  flex: 1;
  color: var(--text);
}

/* 子分类列表 */
.subcategory-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subcategory-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.subcategory-name {
  flex: 1;
  font-weight: 500;
}

.subcategory-count {
  font-size: 12px;
  color: var(--text-secondary);
}

.subcategory-actions {
  display: flex;
  gap: 8px;
}

/* 分类下的模型列表 */
.models-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-model-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.category-model-item .model-name {
  font-weight: 500;
}

.category-model-item .model-url {
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-all;
}

.empty-text {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ==================== 模型管理样式 ==================== */

/* 模型网格布局 */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* 模型卡片 */
.model-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.model-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.model-card.unreachable {
  opacity: 0.7;
  border-color: var(--danger);
}

.model-card.unreachable .model-status {
  background: var(--danger);
}

/* 模型卡片头部 */
.model-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

/* 图标包装器 */
.model-icon-wrapper {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  overflow: hidden;
}

/* 图标占位符（首字母） */
.icon-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: opacity 0.3s ease;
}

/* 实际图标 */
.model-icon {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--bg-tertiary);
}

.model-status {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active {
  background: var(--success);
  color: white;
}

.status-unreachable {
  background: var(--danger);
  color: white;
}

/* 模型卡片内容 */
.model-card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.model-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-category {
  font-size: 12px;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  width: fit-content;
}

.model-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 4px;
}

/* 模型卡片底部 */
.model-card-footer {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.model-card-footer .btn {
  flex: 1;
}

/* 分页样式 */
#modelsPagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .models-grid {
    grid-template-columns: 1fr;
  }

  .model-card-footer {
    flex-wrap: wrap;
  }

  .model-card-footer .btn {
    min-width: 60px;
  }
}

/* ==================== 文件资源管理器风格布局 ==================== */

/* 主布局 */
.file-explorer-layout {
  display: flex;
  height: calc(100vh - 80px);
  background: var(--bg);
  overflow: hidden;
}

/* 左侧分类树 */
.file-explorer-sidebar {
  width: 280px;
  min-width: 240px;
  max-width: 400px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  background: var(--bg);
}

.category-tree-view {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

/* 分类树节点 */
.tree-node {
  user-select: none;
  margin-bottom: 4px;
}

.tree-node-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  gap: 10px;
}

.tree-node-item:hover {
  background: var(--bg-tertiary);
}

.tree-node-item.selected {
  background: var(--primary);
  color: white;
}

.tree-node-item.drag-over {
  background: var(--success);
  color: white;
}

.tree-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
}

.tree-toggle:hover {
  color: var(--text);
}

.tree-node-item.selected .tree-toggle {
  color: white;
}

.tree-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.tree-label {
  flex: 1;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.tree-count {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 10px;
  flex-shrink: 0;
}

.tree-node-item.selected .tree-count {
  background: rgba(255,255,255,0.2);
  color: white;
}

/* 树节点编辑按钮 */
.tree-edit-btn {
  opacity: 0;
  transition: opacity 0.2s;
  padding: 2px 6px;
  font-size: 12px;
  margin-left: 4px;
}

.tree-node-item:hover .tree-edit-btn {
  opacity: 1;
}

.tree-edit-btn:hover {
  background: var(--primary) !important;
  color: white !important;
}

/* 树节点删除按钮 */
.tree-delete-btn {
  opacity: 0;
  transition: opacity 0.2s;
  padding: 2px 6px;
  font-size: 12px;
  margin-left: 4px;
}

.tree-node-item:hover .tree-delete-btn {
  opacity: 1;
}

.tree-delete-btn:hover {
  background: var(--danger) !important;
  color: white !important;
}

/* 子节点 */
.tree-children {
  padding-left: 24px;
}

/* 右侧内容区 */
.file-explorer-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.breadcrumb-item {
  color: var(--text-secondary);
  cursor: pointer;
}

.breadcrumb-item:hover {
  color: var(--primary);
}

.breadcrumb-item.current {
  color: var(--text);
  font-weight: 600;
  cursor: default;
}

.breadcrumb-separator {
  color: var(--text-secondary);
}

.content-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* 模型网格视图 */
.models-grid-view {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  align-content: start;
  background: var(--bg-secondary);
}

.models-grid-view.drag-active {
  background: var(--bg-tertiary);
  border: 2px dashed var(--primary);
}

/* 模型卡片（网格视图） */
.model-grid-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: grab;
  transition: var(--transition);
  height: fit-content;
}

.model-grid-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.model-grid-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.model-grid-card.drag-over {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.model-grid-card-header {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.model-grid-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  object-fit: contain;
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.model-grid-card-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.model-grid-card-name {
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.model-grid-card-url {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-grid-card-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.model-grid-card-actions .btn {
  padding: 6px 10px;
  font-size: 13px;
}

.model-grid-card-body {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  max-height: 50px;
  overflow: hidden;
}

.model-grid-card-category {
  padding: 10px 16px;
  background: var(--bg-secondary);
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 右侧内容区最小宽度 */
.file-explorer-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* 右侧内容区内边距调整 */
.content-header {
  padding: 16px 24px;
}

/* 空状态 */
.empty-content-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 拖拽样式 */
.drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.8;
  transform: rotate(3deg);
}

.drop-indicator {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

/* 子分类可排序列表 */
.subcategory-sortable-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
}

.subcategory-sortable-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: move;
  transition: var(--transition);
  max-width: 200px;
  flex-shrink: 0;
}

.subcategory-sortable-item:hover {
  background: var(--bg-tertiary);
}

.subcategory-sortable-item.sortable-drag {
  opacity: 0.5;
  background: rgba(99, 102, 241, 0.1);
}

.subcategory-sortable-item .drag-handle {
  color: var(--text-muted);
  cursor: grab;
}

.subcategory-sortable-item .subcategory-name {
  flex: 1;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subcategory-sortable-item .subcategory-count {
  font-size: 11px;
  color: var(--text-secondary);
}

.subcategory-sortable-item .btn {
  padding: 3px 6px;
  font-size: 11px;
  opacity: 0;
  transition: opacity 0.2s;
}

.subcategory-sortable-item:hover .btn {
  opacity: 1;
}

/* 图标管理页面样式 */
.icon-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.icon-stat-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}

.icon-stat-item.success {
  border-left: 3px solid var(--success);
}

.icon-stat-item.danger {
  border-left: 3px solid var(--danger);
}

.icon-stat-item.warning {
  border-left: 3px solid var(--warning);
}

.icon-stat-num {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
}

.icon-stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.icon-quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.icon-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 16px;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
}

.icon-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.icon-action-btn.success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
  border-color: var(--success);
}

.icon-action-btn.success:hover {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
}

.icon-action-btn.warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
  border-color: var(--warning);
}

.icon-action-btn.warning:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
}

.icon-action-btn.danger {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
  border-color: var(--danger);
}

.icon-action-btn.danger:hover {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.1));
}

.icon-action-btn.secondary {
  background: var(--bg-secondary);
  border-color: var(--border);
}

.icon-action-btn.secondary:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.icon-action-icon {
  font-size: 32px;
}

.icon-action-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.icon-action-desc {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
}

.icon-progress-area {
  display: none;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.icon-progress-area.show {
  display: block;
}

.icon-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-weight: 500;
}

.icon-progress-bar {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.icon-progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

.icon-progress-details {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.icon-progress-log {
  margin-top: 16px;
  max-height: 200px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 12px;
  background: var(--bg-tertiary);
  padding: 12px;
  border-radius: var(--radius);
  display: none;
}

.icon-progress-log.show {
  display: block;
}

.icons-grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.icon-grid-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.icon-grid-item:hover {
  border-color: var(--border-light);
}

.icon-grid-item.missing {
  border-left: 3px solid var(--danger);
}

.icon-grid-item.has {
  border-left: 3px solid var(--success);
}

.icon-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.icon-thumb img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.icon-info {
  flex: 1;
  min-width: 0;
}

.icon-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.icon-domain {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.icon-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

@media (max-width: 1200px) {
  .icon-stats-row,
  .icon-quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .icon-stats-row,
  .icon-quick-actions {
    grid-template-columns: 1fr;
  }
}

/* ==================== 移动端响应式适配 ==================== */

@media (max-width: 768px) {
  /* 主布局改为垂直排列 */
  .file-explorer-layout {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 80px);
  }

  /* 左侧边栏改为顶部导航 */
  .file-explorer-sidebar {
    width: 100%;
    min-width: auto;
    max-width: none;
    height: auto;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-header {
    padding: 10px 12px;
    font-size: 13px;
  }

  .category-tree-view {
    padding: 8px;
    max-height: 30vh;
  }

  /* 树节点适配 */
  .tree-node-item {
    padding: 8px 10px;
    font-size: 13px;
  }

  .tree-children {
    padding-left: 16px;
  }

  /* 右侧内容区 */
  .file-explorer-content {
    width: 100%;
    min-height: 50vh;
  }

  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
  }

  .content-actions {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .content-actions input {
    width: 100% !important;
    max-width: none;
  }

  /* 面包屑适配 */
  .breadcrumb {
    font-size: 13px;
    flex-wrap: wrap;
  }

  /* 分类信息栏适配 */
  #categoryInfoBar {
    margin: 0 12px 12px;
    padding: 12px;
  }

  #categoryInfoBar h3 {
    font-size: 14px;
  }

  #categoryInfoBar .btn {
    padding: 4px 8px;
    font-size: 12px;
  }

  /* 模型网格适配 */
  .models-grid {
    grid-template-columns: 1fr;
    padding: 12px;
    gap: 12px;
  }

  .model-card {
    padding: 12px;
  }

  .model-card-footer {
    flex-wrap: wrap;
    gap: 6px;
  }

  .model-card-footer .btn {
    min-width: auto;
    flex: 1;
    padding: 6px 8px;
    font-size: 12px;
  }

  /* 表格适配 */
  .data-table {
    font-size: 13px;
  }

  .data-table th,
  .data-table td {
    padding: 8px;
  }

  /* 模态框适配 */
  .modal-content {
    width: 95%;
    max-width: none;
    margin: 20px auto;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 16px;
  }

  /* 表单适配 */
  .form-group {
    margin-bottom: 12px;
  }

  .form-control {
    font-size: 16px; /* 防止iOS缩放 */
  }

  /* 顶部导航适配 */
  .topbar {
    padding: 0 12px;
  }

  .topbar .logo span {
    display: none; /* 隐藏文字，只显示图标 */
  }

  .topbar-nav {
    gap: 4px;
  }

  .topbar-nav a {
    padding: 6px 10px;
    font-size: 13px;
  }

  /* 标签页适配 */
  .tabs {
    flex-wrap: wrap;
    gap: 4px;
  }

  .tab-btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  /* 按钮组适配 */
  .btn-group {
    flex-wrap: wrap;
    gap: 6px;
  }

  .btn-group .btn {
    flex: 1;
    min-width: auto;
  }
}